/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Selection/BoundarySelectionMechanic.h
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)() class UBoundarySelectionMechanic : public [UMeshTopologySelectionMechanic](API\Plugins\ModelingComponents\Selection\UMeshTopologySelectionMechanic)